111X121111211212
111X22111121X112
1X11221111212X12
1X1XX2111121XX12
121212111121X112
1212X21111211212
X111X2111121XX12
X112221111212X12
XX11221111211112
XX1XX21111212112
X21112111121X212
2111X21111212112
2112221111211112
2X1212111121X212
2X12X21111211X12
221X121111211X12
221X22111121X212
